    body {
        background: url("../images/bg.png");
    }
    
    .m-padded-mini {
        padding: 0.2em !important;
    }
    
    .m-padded-tiny {
        padding: 0.3em !important;
    }
    
    .m-padded {
        padding: 1em !important;
    }
    
    .m-padded-tb-mini {
        padding-top: 0.2em !important;
        padding-bottom: 0.2em !important;
        padding-right: 0.2em !important;
    }
    
    .m-padded-tb-tiny {
        padding-top: 0.3em !important;
        padding-bottom: 0.3em !important;
    }
    
    .m-padded-small {
        padding-top: 0.5em !important;
        padding-bottom: 0.5em !important;
    }
    
    .m-padded-tb {
        padding-top: 1em !important;
        padding-bottom: 1em !important;
    }
    
    .m-padded-tb-large {
        padding-top: 2em !important;
        padding-bottom: 2em !important;
        padding-left: 2em !important;
    }
    
    .m-padded-tb-big {
        padding-top: 3em !important;
        padding-bottom: 3em !important;
        padding-left: 3em !important;
    }
    
    .m-padded-tb-huge {
        padding-top: 4em !important;
        padding-bottom: 4em !important;
        padding-left: 4em !important;
    }
    
    .m-padded-tb-massive {
        padding-top: 5em !important;
        padding-bottom: 5em !important;
        padding-left: 5em !important;
    }
    
    .m-padded-lr-responsive {
        padding-left: 4em !important;
        padding-right: 4em !important;
    }
    /*------text------*/
    
    .m-text {
        font-weight: 300 !important;
        letter-spacing: 1px !important;
        line-height: 1.8;
    }
    
    .m-text-thin {
        font-weight: 300 !important;
    }
    
    .m-text-spaced {
        letter-spacing: 1px !important;
    }
    
    .m-text-lined {
        line-height: 1.8;
    }
    /*------margin------*/
    
    .m-margin-top-small {
        margin-top: 0.5em !important;
    }
    
    .m-margin-top {
        margin-top: 1em !important;
    }
    
    .m-margin-top-large {
        margin-top: 2em !important;
    }
    
    .m-margin-tb-tiny {
        margin-top: 0.3em !important;
        margin-bottom: 0.3em !important;
    }
    
    .m-margin--bottm-small {
        margin-bottom: 0.5em !important;
    }
    /*------opacity------*/
    
    .m-opacity-mini {
        opacity: 0.8 !important;
    }
    
    .m-opacity-tiny {
        opacity: 0.6 !important;
    }
    /*-----position------*/
    
    .m-right-top {
        position: absolute;
        top: 0;
        right: 0;
    }
    /*------display------*/
    
    .m-inline-block {
        display: inline-block !important;
    }
    /*------container------*/
    
    .m-container-small {
        max-width: 60em !important;
        margin: auto !important;
    }
    
    .m-container {
        max-width: 72em !important;
        margin: auto !important;
    }
    /*------shadow------*/
    
    .m-shadow-small {
        -webkit-box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2) !important;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2) !important;
    }
    /*------position------*/
    
    .m-fixed {
        position: fixed !important;
        z-index: 10 !important;
    }
    
    .m-right-buttom {
        bottom: 0 !important;
        right: 0 !important;
    }
    /*------color------*/
    
    .m-black {
        color: #333 !important;
    }
    
    .m-mobile-show {
        display: none !important;
    }
    
    @media screen and (max-width: 768px) {
        .m-mobile-hide {
            display: none !important;
        }
        .m-mobile-show {
            display: block !important;
        }
        .m-padded-lr-responsive {
            padding-left: 0 !important;
            padding-right: 0 !important;
        }
        .m-mobile-lr-clear {
            padding-left: 0 !important;
            padding-right: 0 !important;
        }
        .m-mobile-wide {
            width: 100% !important;
        }
    }